Unit 3 Test Review #1
description
Transcript of Unit 3 Test Review #1
Unit 3 Test Review #1
Try to picture celery that has been sitting in blue colored water for a couple days. The leaves on top of the stalk have turned blue. What water property allows this to occur?
1. Capillary action2. Surface tension3. Density4. Specific heat
Which of the following statements is most TRUE about salt water.
It is
less d
ense
than
f...
It is
more den
se th
an...
It ha
s the s
ame d
ensi.
.
It ha
s no de
nsity
0% 0%0%0%
1. It is less dense than fresh water
2. It is more dense than fresh water
3. It has the same density of fresh water
4. It has no density30
Deep-ocean technology, like sonar and submersibles, have enabled scientists to learn more about
Surface
plan
kton
Fish liv
ing in co
ral re
efs
Hydrotherm
al ve
nts
Inter
tidal
zone
0% 0%0%0%
1. Surface plankton2. Fish living in coral
reefs3. Hydrothermal vents4. Intertidal zone
30
What is the #1 contributor to problems along a shoreline?
Animals
overp
opulat
ing
Human ac
tivity
Lack o
f sun
light
Incre
ased
air te
mper...
0% 0%0%0%
1. Animals overpopulating
2. Human activity3. Lack of sunlight4. Increased air
temperatures
30
When it rains, a portion of the water seeps into the ground to replenish the Earth's _______________.
Unsaturat
ed zo
ne
Ground
water
Wate
r tab
le
Permea
bility
0% 0%0%
100%
1. Unsaturated zone2. Groundwater3. Water table4. Permeability
However, most of it flows downhill washing off streets, lawns, construction sites, and farms. This water is called _______________ and will unfortunately carry oil, gas, pesticides, chemicals, etc. to streams and rivers.
Gro
undwate
r
Point sou
rce po
llutio
n
Runoff
Toxic
0% 4%
88%
8%
1. Groundwater2. Point source
pollution3. Runoff4. Toxic
If an ecologist is using a Secchi Disc to measure the clarity of the water, what is he measuring?
pH
Dissolve
d oxygen
turb
idity
tempera
ture
0% 4%
96%
0%
1. pH2. Dissolved
oxygen3. turbidity4. temperature
A paperclip is floating in a bowl on top of water. Which of the following properties of water helps keep the paperclip from sinking?
Surface
tens
ion
Solubility
Capilla
ry ac
tion
Densit
y
79%
18%
4%0%
1. Surface tension2. Solubility3. Capillary action4. Density
Sonar measures ocean depth by means of
Weig
hted l
ines
Light w
aves
Sound w
aves
Mag
nets
0%7%
86%
7%
1. Weighted lines2. Light waves3. Sound waves4. Magnets
It was discovered that gasoline was leaking from one of Exxon’s underground storage tanks in a nearby area. Because the pollution could be identified as belonging to Exxon, it is called _______________pollution.
Point sou
rce
Non-point s
ource
Run-off
Iden
tifiab
le
92%
4%0%4%
1. Point source 2. Non-point source 3. Run-off4. Identifiable
If you took a sample of water from a stream and it had a lot of macroinvertebrates that are very sensitive to pollution, what might you imply?
The wate
r is ve
ry he
a...
The wate
r has
some p
...
The stre
am is
heavil
y...
There is
not enough
i...
100%
0%0%0%
1. The water is very healthy.
2. The water has some pollution.
3. The stream is heavily polluted.
4. There is not enough information to make an assessment.
Many fisheries are located in areas where water is full of nutrients from the deep because it has been moved to the surface naturally. What process moves water from the deep ocean to the surface?
Upwell
ing
Downwell
ing
El Niño
Riptid
es
100%
0%0%0%
1. Upwelling2. Downwelling3. El Niño4. Riptides
One of the ocean’s natural resources that you do not eat but is extremely important in your survival due to the oxygen it produces is
Ben
thos
Nekton
Phytoplan
kton
Zooplankto
n
4% 4%
89%
4%
1. Benthos2. Nekton3. Phytoplankton4. Zooplankton
In order for organisms to survive in the deep ocean, they must have special features that allow them to capture food, attract a mate, or escape predation. Which of the following would be an adaptation for a deep sea organism?
Big eyes
Small m
ouths
Ability t
o glow in th
e ...
Tiny sh
arp te
eth
8%0%
92%
0%
1. Big eyes2. Small mouths 3. Ability to glow in
the dark 4. Tiny sharp teeth
What saltwater habitat is endangered due to pollution and fishing practices?
Man
grove
fore
sts
Salt m
arsh
es
Coral
reefs
Kelp
fores
ts
19%
0%
67%
14%
1. Mangrove forests 2. Salt marshes 3. Coral reefs 4. Kelp forests
_______________pollution is responsible for most water pollution because its source is hard to find, scattered or widespread.
Point sou
rce
Non-point s
ource
Run-off
Iden
tifiab
le
0% 0%0%
100%
1. Point source2. Non-point source3. Run-off4. Identifiable
If benthos are crawlers, how could nekton be described?
1. Drifters2. Motionless3. Swimmers4. Floaters
The highest point of an aquifer is called what? Wells have to be dug below this point to guarantee water.
Wate
r tab
le
Saturat
ed zo
ne
Permea
ble ro
ck
Imperm
eable
rock
56%
16%
28%
0%
1. Water table2. Saturated zone3. Permeable rock4. Impermeable
rock
Which unique property allows water to form droplets?
Adhesion
Cohesion
Capilla
ry ac
tion
Solubility
18%
0%5%
77%
1. Adhesion2. Cohesion3. Capillary action4. Solubility
20. Which cycle is demonstrated here?
Nitrogen
cycle
Wate
r cyc
le
Krebs c
ycle
O2—
CO2 cyc
le
14%
86%
0%0%
respiration
photosynthesis
1. Nitrogen cycle2. Water cycle3. Krebs cycle4. O2—CO2 cycle
Nitrogen is critical to all organisms because it allows them to build proteins which help them grow and function. Unfortunately the nitrogen in the atmosphere is useless to organisms. What statement best describes how organisms obtain the much needed nitrogen?
Plants
make n
itroge
...
Bacter
ia fix
es nitro
ge...
Nitrogen
compound
...
None of th
e abo
ve.
5% 0%0%
95%1. Plants make nitrogen compounds on their own and pass them to everything that eats it.
2. Bacteria fixes nitrogen from air/waste so it can be cycled through plants and animals.
3. Nitrogen compounds can only be converted by lightning.
4. None of the above.
Water is said to be sticky because of its unequal sharing of electrons or
Solubility
Condu
ctivit
y
Neg
ativit
y
Polarity
4%
83%
8%4%
1. Solubility2. Conductivity3. Negativity4. Polarity
How are bioindicators used to assess the health of a stream?
Check l
iving th
ings f..
See w
hat sp
ecies
are..
.
Populatio
n stud
ies
All of th
e above
0%
81%
5%14%
1. Check living things for mutations
2. See what species are present
3. Population studies 4. All of the above
Where would you expect to find ocean organisms that are able to survive out of water and withstand drastic changes in salinity?
Inter
tidal
zone
Coral re
efs
Deep zo
ne
Thermocli
ne
74%
21%
0%5%
1. Intertidal zone2. Coral reefs3. Deep zone4. Thermocline
What law is the most important legislation that protects water quality (especially with respect to point-source pollution)?
Res
ource
Conse
rvat...
Wild
life Pre
serva
tion A
ct
Nati
onal
Water Q
ualit...
Clea
n Wate
r Act
0%
100%
0%0%
1. Resource Conservation and Recovery Act
2. Wildlife Preservation Act
3. National Water Quality Act
4. Clean Water Act
Which of the following is a true statement?
Air pollu
tion ...
Acid ra
in lowe..
.
Photosynthe
sis...
Decompos
ition ...
26%
0%0%
74%1. Air pollution raises the
pH of a stream. 2. Acid rain lowers the pH
of a stream. 3. Photosynthesis lowers
the pH of a stream.4. Decomposition raises
the pH of a stream.
Water covers almost three-quarters of the Earth’s surface. What percentage of that water is salt water?
3% 50%
71%
97%
0%
89%
11%0%
1. 3%2. 50%3. 71%4. 97%
Just like many states across America, North Carolina has its fair share of challenges when it comes to fresh water. What are some issues North Carolina faces specifically?
Drought
Fertiliz
er ru
noff
Non-point s
ource pol...
All of th
e above
0%
84%
0%16%
1. Drought2. Fertilizer runoff3. Non-point source
pollution4. All of the above
Which unique property of water prevents the oceans from freezing over?
Adhesion
Cohesion
Capilla
ry ac
tion
Specific
heat
5%
95%
0%0%
1. Adhesion2. Cohesion3. Capillary action4. Specific heat
The land that water flows across or through on its way to a stream, river, or wetland is called a(n) _______________. They are named for the larger local body of water they drain into.
Estuary
Stream
Draina
ge Bas
in
Aquifer
0% 0%0%0%
1. Estuary2. Stream3. Drainage Basin4. Aquifer
30
Fresh water organisms that live in a lake or pond can survive throughout the winter because of water’s unique behavior with respect to _______________. A layer of ice will actually float on top of the water’s surface to insulate and protect all the organisms below it…keeping them safe and able to swim throughout the winter.
Salinity
Den
sity
Specific
Hea
t
Adhes
ion
0% 0%0%0%
1. Salinity2. Density3. Specific Heat4. Adhesion
30
About 1/5 of the people in the U.S. get their fresh water from _______________ (s) deep underground in a bed of sand or gravel a few meters thick.
Aquifer
Unsa
turated
laye
r
Wate
r tab
le
Springs
0% 0%0%0%
1. Aquifer2. Unsaturated layer3. Water table4. Springs
30
Water falling on a _______________ flows into the drainage basins on either side of it. It separates or distinguishes one drainage basin from the next.
Valley
Shift
Divide
Crater
0% 0%0%0%
1. Valley2. Shift3. Divide4. Crater
30
_______________ rock prevents water from sinking further down in a groundwater system.
Saturat
ed
Unsaturat
ed
Permea
ble
Imperm
eable
0% 0%0%0%
1. Saturated2. Unsaturated3. Permeable4. Impermeable
30
The body of water where fresh and salt water mix together is called a(n)
Lake
River
Oce
an
Estuary
0% 0%0%0%
1. Lake2. River3. Ocean4. Estuary
30
Where is most of the fresh water on Earth?
Trapped
in ic
e.
In our m
any l
akes
.
In th
e oce
an’s.
Undergro
und in aq
uif...
0% 0%0%0%
1. Trapped in ice. 2. In our many lakes. 3. In the ocean’s.4. Underground in
aquifers.
30
Municipal (public) water sometimes comes from pumping water out of an aquifer. Where is the water held in the aquifer before it is pumped out?
In im
permea
ble...
Undergrou
nd ri...
In th
e wate
r t...
In sa
turated
, ...
0% 0%0%0%
30
1. In impermeable rock deep down
2. Underground rivers 3. In the water table 4. In saturated,
permeable rock formations
Which is considered the universal solvent?
Wate
r
Bleach O
il
Soap
0% 0%0%0%
1. Water2. Bleach3. Oil4. Soap
30
Estuaries are valuable resources for all of the following reasons EXCEPT:
Its gr
asse
s pro
vide .
..
They ac
t as a
natural
f...
You can dump yo
ur t..
.
0% 0%0%
1. Its grasses provide a habitat (home) to many organisms.
2. They act as a natural filter to pollutants from run-off so they don’t enter the ocean.
3. You can dump your trash and hazardous waste materials there without penalty/fines. 30
Which of the following is an example of a biotic factor:
The sun
Wate
r
Gras
s
Oxy
gen
0% 0%0%0%
1. The sun2. Water3. Grass4. Oxygen
30
What would most likely be a limiting factor in a rabbit population?
An incr
ease
in...
An incr
ease
in...
A decrea
se in
...
An incr
ease
in...
0% 0%0%0%
1. An increase in its predator population
2. An increase in grass population
3. A decrease in available sunlight
4. An increase in available water
30
Which of the following is true about the flow of energy in an ecosystem?
Gree
n plants
a...
A very
small
a...
Consumers
pass..
.
Decompos
ers ge
...
0% 0%0%0%
1. Green plants are the only organisms than can produce their own energy.
2. A very small amount of energy is passed from one organism to the next.
3. Consumers pass on energy to producers, which pass it to decomposers.
4. Decomposers get their energy directly from sunlight. 30
In which organelle does cellular respiration take place?
mito
chond
ria
nucleus
chlor
oplas
t
riboso
mes
0% 0%0%0%
1. mitochondria2. nucleus3. chloroplast4. ribosomes
30
What life process takes place in the chloroplasts of producers?
digesti
on
excre
tion
cellu
lar re
spi...
photosynth
esis
0% 0%0%0%
1. digestion2. excretion3. cellular respiration4. photosynthesis
30
In the Chesapeake Bay, the oyster population has declined to less than 1% of its original number. Since then, the water has become heavily polluted and many ecosystems have declined as a result. What can you infer is the oyster’s niche?
Oys
ters a
ct as
...
Oys
ters a
re th...
Oys
ters a
re re.
..
0% 0%0%
1. Oysters act as a giant filter, so when their population declines, they can’t “clean” the water.
2. Oysters are the basis of the food chain…providing energy to every level of consumer.
3. Oysters are responsible for removal of salt from the water and preventing excess salinity in the bay.
30
In the Chesapeake Bay, the oyster population has declined to less than 1% of its original number. Since then, the water has become heavily polluted and many ecosystems have declined as a result. What can you infer is the oyster’s niche?
Oys
ters a
ct as
...
Oys
ters a
re th...
Oys
ters a
re re.
..
0% 0%0%
1. Oysters act as a giant filter, so when their population declines, they can’t “clean” the water.
2. Oysters are the basis of the food chain…providing energy to every level of consumer.
3. Oysters are responsible for removal of salt from the water and preventing excess salinity in the bay.
30
Which of the following correctly identifies a food chain from the picture?
0% 0%0%0%
1. Heronfishalgae2. Diatomszooplankton
frogsnake3. Bacteriasnailfish
heron4. Grassduckfrog
30
Which of the following correctly identifies an interconnection between a terrestrial and aquatic food web?
0% 0%0%0%
1. Algaesnailfish2. Diatomszooplankton
fish3. GrasshopperBird4. Grassgrasshopper
duck
30